Update Dockerfile

Dockerfile

@@ -7,6 +7,7 @@ RUN python3 -m venv /code/venv
 COPY ./requirements.txt /code/requirements.txt
 RUN /code/venv/bin/pip install --upgrade pip
 RUN /code/venv/bin/pip install -r /code/requirements.txt
+RUN /code/venv/bin/pip install git+https://github.com/arvidn/libtorrent.git
 COPY . .
 ENV PATH="/code/venv/bin:$PATH"
 EXPOSE 7860